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European regulations regarding potassium hydroxide (HKO)

This Compound in the Landolt-Börnstein Index
Structure Drawing Formula:HKO
Molecular Weight:56.106 g/mol
Namepotassium hydroxide
EG-Index:019-002-00-8 (98/98/EC)
EINECS:215-181-3 (EINECS)

Hazard Information (Dangerous Substances Directive 67/548/EEC)

Hazard symbol
R22 Harmful if swallowed.
R35 Causes severe burns.
S1/2 Keep locked up and out of the reach of children.
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

GHS classification (Globally Harmonized System)
Regulation on Classification, Labelling and Packaging of Substances and Mixtures (CLP)

Signal WordDangerEC/1272/2008
Hazard Statements
H302Harmful if swallowed.
H314Causes severe skin burns and eye damage.
Precautionary Statements
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash ... thoroughly after handling.
P270Do no eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P301+P330+P331IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304+P340IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310Immediately call a POISON CENTER or doctor/physician.
P321Specific treatment (see ... on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container to ...
ClassificationAcute Tox. 4 *
Skin Corr. 1A

European CHemicals Agency (ECHA) pre-registration

Pre-registered substanceEC-Number: 215-181-3
CAS-Number: 1310-58-3
Name: potassium hydroxide
Synonym: -
Registration Date: 30/11/2010
ECHA pre


Short: 98/98/EC
Title: Commission Directive 98/98/EC of 15 December 1998 adapting to technical progress for the 25 time Council Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances
Author: Comission of the European Communities
Source: Official Journal of the European Communities
Volume: L 355 (30.12.1998)
Page: 1-624
Year: 1998
Erratum_Source: Official Journal of the European Communities L 293 (15.11.1999) 1-79
Keyword: hazardous materials; hazard classification
Publish_Date: 1998/12/30
Short: EC/1272/2008
Title: REGULATION (EC) No 1272/2008 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006
Author: European Parliament; Council of the European Union
Source: Official Journal of the European Union
Volume: L 353 (31.12.2008)
Page: 1-1355
Year: 2008
Publish_Date: 2008/12/31
ECHA pre
Short: ECHA pre
Title: List of pre-registered substances
Author: European Chemicals Agency
Year: 2009

  File created on 2009/18/08 by LCI Publisher GmbH (Gaja Peters, Inga Thede, Volkmar Vill, Ron Zenczykowski)
  © 2009   Landolt Börnstein,   Springer-Verlag Berlin Heidelberg